Which constants can be multiplied by the equations so one variable will be eliminated when the systems are added together? 5x + 13y = 232 12x + 7y = 218

Which constants can be multiplied by the equations so one variable will be eliminated when the systems are added together? 5x + 13y = 232 12x + 7y = 218

how many cones and sundaes were sold? solve the equations by using the substitution method.

Two equations to solve for a variable.

Find the measures of two complementary angles if one angle is four times the other angle

Write a system of equations that can be solved using substitution

You are looking for an after-school job. One pays $9 per hour. Another pays $12 per hour, but you must buy a uniform that costs $39. After how many hours of work would your net earnings from either...

adult tickets to play cost $22. TIckets for children cost $15. TIckets for a group of 11 people cost a total of $228. Write and solve a system of equations to find how many children and how many adults...

How do I solve y=-5x+7 and y=8x+7 to get the answer in (x, y) form?

It's solving systems by substitution

The first number times the second number equals 30. what is the equation

I don't understand how to solve this problem.

im not really sure how to do this question. please help me with this? ...

im a junior in high school and need help to do these problems or i just didnt understand him but im solving by substitution and i really need some one to please help me ...

The length of a rectangle is 3 more than it's width. The perimeter of the rectangle is 58cm. What are the rectangle's dimensions?

X=Y X-3y=4

what are the ordered pairs ?

At a local fitness center, members pay a six dollar membership fee and $3 for each aerobic class. Nonmembers pay $4 dollars for each aerobic class. For what number of aerobic classes will cost nonmembers...

A chef is using a mixture of two brands of Italian dressing. The first brand contains 5% vinegar, and the second brand contains 15% vinegar. The chef wants to make 390 milliliters of a dressing that...

Katie is going to the water slides and needs to figure out which deal is better. She can pay $32 to go on the water slides as much as she wants, or she can pay $18 to get in, plus an additional $1...

how would one solve this particular problem by substitution? y = x+4 y^2...